20563950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 56639232

約数和(自身を除く): 36075282

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 103, 110, 121, 150, 165, 206, 242, 275, 309, 330, 363, 515, 550, 605, 618, 726, 825, 1030, 1133, 1210, 1331, 1545, 1650, 1815, 2266, 2575, 2662, 3025, 3090, 3399, 3630, 3993, 5150, 5665, 6050, 6655, 6798, 7725, 7986, 9075, 11330, 12463, 13310, 15450, 16995, 18150, 19965, 24926, 28325, 33275, 33990, 37389, 39930, 56650, 62315, 66550, 74778, 84975, 99825, 124630, 137093, 169950, 186945, 199650, 274186, 311575, 373890, 411279, 623150, 685465, 822558, 934725, 1370930, 1869450, 2056395, 3427325, 4112790, 6854650, 10281975, 20563950]

約数ペア:

[(1, 20563950), (2, 10281975), (3, 6854650), (5, 4112790), (6, 3427325), (10, 2056395), (11, 1869450), (15, 1370930), (22, 934725), (25, 822558), (30, 685465), (33, 623150), (50, 411279), (55, 373890), (66, 311575), (75, 274186), (103, 199650), (110, 186945), (121, 169950), (150, 137093), (165, 124630), (206, 99825), (242, 84975), (275, 74778), (309, 66550), (330, 62315), (363, 56650), (515, 39930), (550, 37389), (605, 33990), (618, 33275), (726, 28325), (825, 24926), (1030, 19965), (1133, 18150), (1210, 16995), (1331, 15450), (1545, 13310), (1650, 12463), (1815, 11330), (2266, 9075), (2575, 7986), (2662, 7725), (3025, 6798), (3090, 6655), (3399, 6050), (3630, 5665), (3993, 5150)]